Buena Electronic Technology Co., Ltd.
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Conference System Microphone FM Wireless Microphone For Meeting Room
Feature
1. To adopt tech. of phase-locked loop (PLL) and CPU bus control management system.
2. Support to select frequency both manually and automatically to confirm channel; To control squelch by noise lock and tone code lock; Through these method to achieve stable signal.
3. With function of latest filter and anti-interference tech. to disparaging external bad signal and mobile phone signal.
4. Operating frequency is from 640Hz to 857MHz; Each receiver has 200 adjustable frequency band; Support 4 receivers to work simultaneously without interference.
5. Users operate the machine via fluent buttons, which is power saving and cost-effective; It’s built in high performance codec tech. for audio; To adopt output in type of canon and AV-3.0; Through these method to achieve higher sound quality.
6. It’s suitable for conference room, classroom, banquet room, etc.
Specifications
| System Index | ||
| Frequency Range | 640-690MHz/740-790MHz/ 807-857MHz | |
| Quantity of Channels | 600 | |
| Channel Separation | 50MHz | |
| Carrier Stability | Within ± 0.005% | |
| Dynamic Range | 100dB | |
| Max. Frequency Drift | ± 45KHz | |
| Frequency Response | 80Hz-18KHz (± 2dB) | |
| S/N Ratio | > 105dB | |
| Sensitivity | -105 dB for 12 dB SINAD, typical | |
| Total harmonic distortion | ≤0.5% | |
| Max. Output intensity | +10 dBV | |
| Effective Use Distance | 50m (Openness) | |
| Receiver Index | |
| Display Method | LCD |
| Antenna Interface | BNC/50 ohm |
| Audio Output Level | 200 ohm (-13dBV), balanced |
| 600 ohm (-2dBV), unbalanced | |
| Audio Output Impedance | 200 ohm, balanced; 600 ohm, 2 channel merge, unbalanced |
| Balanced Output | 1-Ground, 2-Audio, 3-Audio |
| Power | DC12V --- 3A |
| Working temperature | -10 ℃ ~ + 40 ℃ |
| Dimension | 41 x 420 x 180mm |
| Weight | 3 Kg |
| Microphone Index | |
| Antenna | Internal Helical Antenna |
| Output Power | High: 30mW; Low: 3mW |
| Discrete suppression | -60dB |
| Power supply | 3 AA Battery or 3 ni-mh Rechargeable Battery |
| Using Time | >10 hours, when 30mw |
